12113432123 has 8 divisors (see below), whose sum is σ = 13053364800. Its totient is φ = 11174660928.

The previous prime is 12113432113. The next prime is 12113432129. The reversal of 12113432123 is 32123431121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12113432123 - 2¹² = 12113428027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12113432129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268643 + ... + 310476.

It is an arithmetic number, because the mean of its divisors is an integer number (1631670600).

Almost surely, 2^12113432123 is an apocalyptic number.

12113432123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12113432123 is a deficient number, since it is larger than the sum of its proper divisors (939932677).

12113432123 is a wasteful number, since it uses less digits than its factorization.

12113432123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580741.

The product of its digits is 864, while the sum is 23.

Adding to 12113432123 its reverse (32123431121), we get a palindrome (44236863244).

The spelling of 12113432123 in words is "twelve billion, one hundred thirteen million, four hundred thirty-two thousand, one hundred twenty-three".